Can I install a higher capacity battery in my BMW 7 735 i, iL?

Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your BMW 7 735 i, iL battery compartment and the positive terminal position matches.

What battery fits the Bmw 7 735 I, Il?

The Bmw 7 735 I, Il requires a battery with the correct capacity (Ah) and Cold Cranking Amps (CCA) for this engine. Compatible batteries offer 80-85 Ah, 740-800 A (CCA), 12 V, case T7/LB4, conventional flooded technology. Browse the compatible battery list below.

How many Ah does the Bmw 7 735 I, Il battery need?

The exact Ah rating for the Bmw 7 735 I, Il depends on the vehicle's original electrical consumers. Compatible batteries offer 80-85 Ah, 740-800 A (CCA), 12 V, case T7/LB4, conventional flooded technology. Use our finder for a precise recommendation.

How long does a battery last in a Bmw 7 735 I, Il?

With normal use, a battery for the Bmw 7 735 I, Il lasts 3–5 years. A healthy alternator and avoiding deep discharges significantly extend battery life.

What type of battery does my car need?

You need the make, model and engine. If your car has Start-Stop (the engine switches off at traffic lights), it needs an EFB or an AGM battery, depending on what it came with: if it has an AGM, fit another AGM; if it has an EFB, another EFB or an AGM. On cars with battery management (BMW, Mercedes, VAG group…), moving from EFB to AGM requires coding the new battery. Without Start-Stop, a conventional battery is fine, or an EFB or AGM if you want a longer life.

What is the difference between AGM, EFB and standard batteries?

A conventional (lead-acid) battery is for cars without Start-Stop. An EFB is a reinforced conventional battery for basic Start-Stop. An AGM offers the highest performance and is fitted as standard on cars with advanced Start-Stop, regenerative braking or high electrical demand. Replacement rule: an AGM only with another AGM; an EFB with another EFB or an AGM; a conventional battery with any of the three. Never move down in technology.

How do I find the right battery for my vehicle?

Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.

What warranty do the batteries have?

All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.

How long does it take for the battery to arrive?

Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.

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BMW 7 735 i, iL

Batteries for BMW 7 735 i, iL 220 hp (petrol, 1986-1989)

BMW · 7

Which battery does a BMW 7 735 i, iL need?

Specifications and battery: 735 i, iL (220 hp)

BMW 7 735 i, iL (220 hp, petrol, 1986-1989): depending on the equipment, it takes a conventional 85 Ah, 800 A battery (315 × 175 × 175 mm) or a 80 Ah, 800 A AGM battery (315 × 175 × 190 mm). Measure your current battery before choosing. In every case the positive terminal is on the right.

Brand: BMW
Model: 7 (E32)
Built: 07/1986 - 01/1989
Power: 162 kW / 220 hp
Fuel: Petrol
Engine size: 3,430 cc (3.4 L)
Cylinders: 6
Body type: Saloon
Drive: Rear-Wheel Drive
Engine codes: M30 B35 (Motronic, 9.2:1)

Battery for this engine

Version	Technology	Capacity	Cold cranking (EN)	Size (L×W×H)	Polarity
Depending on equipment 1	Conventional	85 Ah	800 A	315 × 175 × 175 mm	+ on the right
Depending on equipment 2	AGM	80 Ah	800 A	315 × 175 × 190 mm	+ on the right

This engine shares its battery with the 730 i, iL V8 (218 hp), 735 i, iL (211 hp), 740 i, iL V8 (286 hp) and 750 i, iL V12 (300 hp): the compatible batteries are exactly the same.

Data: vehicle specifications and the battery manufacturer's application catalogue.

🔧 Battery Expert Advisor

Battery analysis for your BMW 7 735 i, iL

Quick answer Depending on the equipment, your car uses one of these two main batteries: ordinary lead-acid 85 Ah (315×175×175 mm), for which we recommend VARTA F18, or AGM 80 Ah (315×175×190 mm): VARTA A6. Before buying, check the Ah on your current battery's label or measure its length.

Batteries in your BMW 7 735 i, iL

MainDepends on equipmentSee all in the list →

Measure the height of yours: 175 or 190 mm

Our recommendation

VARTA F18

ordinary lead-acid85 Ah800 A

315 × 175 × 175 mm

€97.80Buy

Alternative

VARTA A6

AGM80 Ah800 A

315 × 175 × 190 mm

€147.30Buy

Prices and availability updated on 23/10/2026

Based on the batteries we found for your vehicle, our experts help you pick the right one.

📋 What we found

For your BMW 7 735 i, iL we found 3 compatible batteries. This list includes 1 Start-Stop battery and 2 conventional batteries (non Start-Stop).

📏 Battery size

The list contains batteries in different sizes or capacities (Ah). In many cases both variants fit, but it's worth checking your compartment dimensions and the Ah of your original battery before buying. Choose the one with the same dimensions as your current battery: a bigger one may not fit the compartment or the hold-down. If several match your size, the higher capacity gives more headroom for cold starts.

⚡ Battery type for your vehicle

✓ Your BMW 7 735 i, iL does not need a Start-Stop battery. The conventional ones shown fit your vehicle and are the most affordable option. If you want a higher-quality, longer-lasting battery, you can also fit an EFB or AGM as an upgrade — they are fully compatible and last more years.

🔋 Technology (AGM / EFB)

✓ All Start-Stop batteries in the list are AGM. If your current battery is AGM, this is the right replacement. If it is EFB, an AGM is also a valid upgrade, but on cars with battery management (BMW, Mercedes, VAG group…) it must be registered and coded for the new technology with a diagnostic tool; otherwise the car keeps charging it as an EFB.

📊 View AGM vs EFB vs Conventional — full comparison

⭐ Our recommendation

Our recommendation

For your BMW 7 735 i, iL we recommend the VARTA F18 (ordinary lead-acid, 85 Ah). It also has the highest capacity (Ah) on the list — more autonomy to power consumers with the engine off and more reserve for prolonged loads. Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.

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Class: Car Batteries
Brand: BMW
Model: 7
Engine: 735 i, iL

Order now with express shipping: your product ships today and arrives on Monday before 5 PM (Spain mainland and Portugal only).

Before you buy: check 3 key points

Although the batteries shown are sourced from information provided by manufacturers, we recommend checking on your current battery:

Dimensions (length × width × height, including terminals and protrusions)
The dimensions shown are the maximum of the battery and include the height of the terminals, small ridges at the base and any lateral protrusions. Measure your current battery completely, from edge to edge. The new one must be the same size or slightly smaller — never larger, it would not fit in the housing.
Positive terminal (left or right viewed from the front — check the battery photo carefully)
Stand facing the battery, with the manufacturer's label facing you and the terminals on top. Locate the terminal marked with +: if it is on your right, it is "positive right"; if it is on your left, it is "positive left". Do not rely on how the battery is mounted in the car — the position is always measured looking only at the battery itself.
Technology (AGM, EFB or conventional — the same as your current battery or higher)
Depending on the manufacturer, the same technology may be labelled differently: AGM may also appear as VRLA, AGM Start-Stop or AGM Deep Cycle. EFB may appear as EF, EFB+ or Enhanced Flooded Battery. Conventional may appear as SLI, Lead-Acid, Wet or Standard. If your vehicle has Start-Stop, the battery must be AGM or EFB — never conventional.

If you have any questions, just ask us and we'll be glad to advise you with no obligation.

Conventional Battery

This is a standard or conventional battery for vehicles without a start-stop system

2 products

Compare the technologies available for your car

A higher technology withstands more charge and discharge cycles, according to manufacturers. If your car has Start-Stop, it needs EFB or AGM.

Conventional (lead-acid) For normal use in cars without Start-Stop. from €97.80 View VARTA F18
AGM Up to 3× more cycles than a conventional battery. The highest performance, ideal with lots of electrical equipment. from €147.30 +€49.50 View VARTA A6

Recommended conventional
Car battery Varta F18 12V 85Ah 800A
- 12 V
- 85 Ah
- 800 A
Dimensions 315×175×175 mm
- ✓ Varta brand
€97.80
Compare
🔥 Most popular
Car battery Varta F17 12V 80Ah 740A
- 12 V
- 80 Ah
- 740 A
Dimensions 315×175×175 mm

€97.80
Compare

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Technology	Price
Conventional Battery	VARTA	F18	85 Ah	800 A	315×175×175 mm	Conventional	€97.80	More info
Conventional Battery	VARTA	F17	80 Ah	740 A	315×175×175 mm	Conventional	€97.80	More info

Start-Stop & high energy demand batteries

AGM or EFB battery for start-stop vehicles and for cars with high energy demand (many electrical consumers, frequent starts). More charge cycles, better charge recovery and longer service life.

1 product

Recommended start-stop
Start-Stop battery Varta A6 12V 80Ah 800A AGM
- 12 V
- 80 Ah
- 800 A
- AGM
Dimensions 315×175×190 mm
- ✓ Varta brand
€147.30
Compare

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Technology	Price
Start-Stop & high energy demand batteries	VARTA	A6	80 Ah	800 A	315×175×190 mm	AGM	€147.30	More info

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